Breast pump valve



FIG. 1 is a perspective view of a breast pump valve of my new design.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings depict portions of the breast pump valve that form no part of the claimed design. 

CLAIM I claim the ornamental design for a breast pump valve, as shown and described. 